Adoptting the blasting system with deck charge in blasthole and same-section hole-by-hole mil-lisecond ...

采用间隔装药孔内同段孔间微差侧向挤压崩矿爆方案，达到了理想的崩矿效果。

Suitable parameters of perimeter blasting were obtained with good results.In the final, the paper discussed the blasting mechanism of the frozen soil and the blastin...

通过试验获得了较好效果爆的数,并对冻土的爆机理和爆对冻结管的影响问题进行了探讨。